CVE-2023-43797

CVSS 3.1 Score 5.4 of 10 (medium)

Details

Published Oct 30, 2023
Updated: Nov 7, 2023
CWE ID 79

Summary

CVE-2023-43797 is a vulnerability in BigBlueButton, an open-source virtual classroom software. Versions 2.6.11 and 2.7.0-beta.3 and earlier are affected by this vulnerability, specifically in the Guest Lobby feature. The vulnerability allows for cross-site scripting (XSS) attacks when unsanitized messages are inserted into the lobby element using unsafe innerHTML. The issue was addressed in versions 2.6.11 and 2.7.0-beta.3 with the addition of text sanitization for lobby messages. There are no known workarounds for this vulnerability, which can potentially pose a risk to organizations using affected versions of BigBlueButton by allowing attackers to execute malicious scripts and potentially gain unauthorized access or steal sensitive information through the XSS attack vector.

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